private static string ToSeparatedCase(string s, char separator)
{
if (StringUtils.IsNullOrEmpty(s))
{
return(s);
}
StringBuilder sb = new StringBuilder();
SeparatedCaseState state = SeparatedCaseState.Start;
for (int i = 0; i < s.Length; i++)
{
if (s[i] == ' ')
{
if (state != SeparatedCaseState.Start)
{
state = SeparatedCaseState.NewWord;
}
}
else if (char.IsUpper(s[i]))
{
switch (state)
{
case SeparatedCaseState.Upper:
bool hasNext = (i + 1 < s.Length);
if (i > 0 && hasNext)
{
char nextChar = s[i + 1];
if (!char.IsUpper(nextChar) && nextChar != separator)
{
sb.Append(separator);
}
}
break;
case SeparatedCaseState.Lower:
case SeparatedCaseState.NewWord:
sb.Append(separator);
break;
}
char c;
#if HAVE_CHAR_TO_LOWER_WITH_CULTURE
c = char.ToLower(s[i], CultureInfo.InvariantCulture);
#else
c = char.ToLowerInvariant(s[i]);
#endif
sb.Append(c);
state = SeparatedCaseState.Upper;
}
else if (s[i] == separator)
{
sb.Append(separator);
state = SeparatedCaseState.Start;
}
else
{
if (state == SeparatedCaseState.NewWord)
{
sb.Append(separator);
}
sb.Append(s[i]);
state = SeparatedCaseState.Lower;
}
}
return(sb.ToString());
}
private static string ToSeparatedCase(string s, char separator)
{
if (string.IsNullOrEmpty(s))
{
return(s);
}
StringBuilder sb = new StringBuilder();
SeparatedCaseState state = SeparatedCaseState.Start;
for (var i = 0; i < s.Length; i++)
{
if (s[i] == ' ')
{
if (state != SeparatedCaseState.Start)
{
state = SeparatedCaseState.NewWord;
}
}
else if (char.IsUpper(s[i]))
{
switch (state)
{
case SeparatedCaseState.Upper:
var hasNext = (i + 1 < s.Length);
if (i > 0 && hasNext)
{
var nextChar = s[i + 1];
if (!char.IsUpper(nextChar) && nextChar != separator)
{
sb.Append(separator);
}
}
break;
case SeparatedCaseState.Lower:
case SeparatedCaseState.NewWord:
sb.Append(separator);
break;
}
var c = char.ToLower(s[i], CultureInfo.InvariantCulture);
sb.Append(c);
state = SeparatedCaseState.Upper;
}
else if (s[i] == separator)
{
sb.Append(separator);
state = SeparatedCaseState.Start;
}
else
{
if (state == SeparatedCaseState.NewWord)
{
sb.Append(separator);
}
sb.Append(s[i]);
state = SeparatedCaseState.Lower;
}
}
return(sb.ToString());
}